Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:14

18:28

19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK

Sun - Rise: 05:36, Set: 20:51, Transit: 13:13. Moon - Rise: 01:14, Set: 18:28. Civil Dark: 21:31 - 04:56. Nautical Dark: 22:24 - 04:04. Astro Dark: 23:36 - 02:54

Total Clouds (% Sky Obscured)

59
58
79
46
61
71
66
35
40
70
93
95
95
94
91
93
94
93
75
89
95
52
44
41

Low Clouds (% Sky Obscured)

18
25
27
28
20
3
2
2
6
31
56
56
54
31
8
13
3
6
60
86
71
9
2
8

Medium Clouds (% Sky Obscured)

57
50
48
41
39
29
19
13
9
9
10
12
9
5
7
10
5
33
34
35
69
27
44
39

High Clouds (% Sky Obscured)

0
12
59
2
34
60
59
26
33
56
82
88
89
91
90
92
93
88
25
1
2
38
1
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
7
6
6
8
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
26
51
51
51
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
5
5
3
3
5
4
0
0
0
0
9
6
4
4
4
4
4
4
3
4
3
4

Precipitation Amount (mm)

0.09
0.06
0.03
0.02
0.01
0.01
0.02
0.01
0
0
0
0
0.08
0.05
0.02
0.01
0.03
0.03
0.04
0.03
0.06
0.09
0.06
0.05

Wind Speed/Direction (mph)

5
6
6
6
5
5
5
5
5
5
5
5
3
4
5
7
7
7
5
5
5
6
7
8

Chance of Frost

Temperature (°C)

19
18
16
15
14
14
13
12
12
12
11
11
12
13
15
16
18
19
20
21
22
22
22
21

Feels Like (°C)

19
18
16
15
14
14
13
12
12
12
11
11
12
13
15
16
18
19
20
21
22
22
22
21

Dew Point (°C)

13
12
11
11
11
10
10
10
10
10
10
10
12
13
13
14
15
15
13
13
13
13
13
13

Relative Humidity (%)

65
70
74
77
79
81
84
86
87
89
91
94
98
97
92
88
83
78
66
60
57
55
55
60

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

334
334
335
336
336
337
342
343
344
344
344
345
345
346
346
346
346
347
350
351
350
347
344
337

Wednesday 4

Waning Crescent 10%

01:53

No Set

19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:38, Set: 20:49, Transit: 13:13. Moon - Rise: 01:53, Set: No Set. Civil Dark: 21:29 - 04:58. Nautical Dark: 22:22 - 04:06. Astro Dark: 23:32 - 02:58

Total Clouds (% Sky Obscured)

56
41
99
99
99
91
99
98
94
72
63
38
25
70
39
88
91
100
99
100
100
98
100
98

Low Clouds (% Sky Obscured)

16
8
6
4
6
2
0
0
0
2
4
9
16
32
20
75
44
34
97
37
91
48
100
82

Medium Clouds (% Sky Obscured)

52
39
27
19
20
40
81
83
89
71
62
32
13
61
34
65
81
100
90
100
93
78
66
38

High Clouds (% Sky Obscured)

0
0
98
99
99
89
99
97
55
0
0
0
0
0
0
44
48
9
56
85
91
88
88
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
3
0
0
0
0
0
0
0
0
0
5
0
0
0
6
7
8
11
15
19
18
24
32

Precipitation Amount (mm)

0.05
0.01
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0.01
0.02
0.03
0.06
0.11
0.11
0.14
0.19
0.4

Wind Speed/Direction (mph)

7
7
7
6
6
5
6
6
6
7
8
9
8
11
13
15
16
16
16
18
18
18
17
16

Chance of Frost

Temperature (°C)

20
18
16
15
14
14
13
13
12
12
12
12
13
14
16
17
18
19
19
19
18
17
17
17

Feels Like (°C)

20
18
16
15
14
14
13
13
12
12
12
12
13
14
16
17
19
19
19
19
18
18
17
17

Dew Point (°C)

13
12
12
11
11
11
11
12
12
12
12
12
13
14
15
15
16
16
16
16
16
15
15
15

Relative Humidity (%)

64
69
73
76
78
82
88
92
95
99
100
100
100
100
95
89
85
82
82
83
85
87
90
91

Pressure (mb)

1012
1012
1013
1013
1012
1012
1012
1011
1011
1010
1009
1008
1009
1008
1007
1007
1006
1005
1004
1003
1002
1001
1000
1000

Ozone (du)

336
335
334
334
335
336
336
336
337
338
338
338
339
339
340
340
341
342
344
344
345
346
346
348

Thursday 5

Waning Crescent 5%

02:44

19:24

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:39, Set: 20:48, Transit: 13:12. Moon - Rise: 02:44, Set: 19:24. Civil Dark: 21:27 - 05:00. Nautical Dark: 22:19 - 04:08. Astro Dark: 23:28 - 03:01

Total Clouds (% Sky Obscured)

88
92
91
98
71
38
56
51
61
91
64
63
100
100
100
100
100
100
50
50
50
50
50
50

Low Clouds (% Sky Obscured)

19
52
89
98
65
18
33
41
56
89
54
52
99
99
99
99
99
99
41
41
41
41
41
41

Medium Clouds (% Sky Obscured)

42
89
62
63
35
34
48
30
20
23
44
52
44
44
44
44
44
44
28
28
28
28
28
28

High Clouds (% Sky Obscured)

79
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

26
26
28
32
24
16
11
9
10
11
11
12
12
13
15
17
10
11
10
11
16
15
17
22

Precipitation Amount (mm)

0.26
0.23
0.26
0.3
0.16
0.07
0.06
0.03
0.04
0.05
0.06
0.06
0.07
0.09
0.16
0.24
0.11
0.12
0.08
0.12
0.1
0.11
0.11
0.18

Wind Speed/Direction (mph)

15
14
12
11
10
11
13
13
13
13
13
13
14
14
14
16
17
18
19
19
19
18
17
15

Chance of Frost

Temperature (°C)

17
17
16
15
15
15
15
14
14
14
14
14
14
15
16
17
18
19
20
19
19
19
18
18

Feels Like (°C)

17
17
16
15
15
15
15
14
14
14
14
14
14
15
16
17
19
19
20
20
19
19
18
18

Dew Point (°C)

15
15
14
14
13
13
13
13
13
14
14
14
14
15
16
17
17
17
16
16
16
16
15
14

Relative Humidity (%)

90
90
90
90
91
91
92
94
95
96
98
100
100
100
100
98
92
87
83
82
80
82
81
81

Pressure (mb)

1000
1000
1000
999
999
999
999
999
999
999
999
999
998
998
999
999
1000
1000
1000
1000
1001
1001
1001
1001

Ozone (du)

347
348
348
349
350
351
350
351
351
352
352
353
357
357
357
356
354
353
352
353
354
356
358
358

Friday 6

Waning Crescent 1%

03:46

20:11

19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:41, Set: 20:46, Transit: 13:12. Moon - Rise: 03:46, Set: 20:11. Civil Dark: 21:25 - 05:02. Nautical Dark: 22:17 - 04:10. Astro Dark: 23:24 - 03:05

Total Clouds (% Sky Obscured)

30
30
30
30
30
30
48
48
48
48
48
48
56
56
56
56
56
56
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

16
16
16
16
16
16
44
44
44
44
44
44
30
30
30
30
30
30
25
25
25
25
25
25

Medium Clouds (% Sky Obscured)

25
25
25
25
25
25
15
15
15
15
15
15
39
39
39
39
39
39
46
46
46
46
46
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
26
26
26
26
26
26
97
97
97
97
97
97

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

22
20
18
17
12
13
10
16
27
31
33
30
37
38
22
17
15
14
15
17
14
14
18
26

Precipitation Amount (mm)

0.18
0.16
0.14
0.12
0.06
0.05
0.05
0.09
0.08
0.11
0.12
0.14
0.17
0.26
0.23
0.27
0.24
0.24
0.28
0.27
0.23
0.22
0.25
0.36

Wind Speed/Direction (mph)

14
13
11
11
10
10
11
10
11
11
10
10
10
11
10
12
13
14
14
14
14
14
13
12

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
13
12
12
12
12
12
12
13
14
16
17
18
19
19
20
19
18
17

Feels Like (°C)

17
16
15
14
13
13
13
12
12
12
12
12
13
14
15
16
17
18
19
19
20
19
18
17

Dew Point (°C)

14
14
13
13
12
12
12
12
12
12
12
12
12
13
14
16
16
16
16
16
15
16
16
15

Relative Humidity (%)

82
86
90
92
93
93
93
96
100
100
100
100
100
100
100
100
93
87
84
80
77
79
85
90

Pressure (mb)

1001
1001
1001
1002
1002
1002
1001
1001
1000
1000
999
999
999
999
999
999
999
999
999
1000
1000
1000
1000
1001

Ozone (du)

354
354
354
353
354
355
360
361
360
361
360
361
363
364
365
366
365
364
362
361
361
360
359
357

Saturday 7

Waning Crescent 0%

04:58

20:48

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:42, Set: 20:44, Transit: 13:12. Moon - Rise: 04:58, Set: 20:48. Civil Dark: 21:23 - 05:03. Nautical Dark: 22:14 - 04:13. Astro Dark: 23:20 - 03:08

Total Clouds (% Sky Obscured)

96
96
96
96
96
96
70
70
70
70
70
70
91
91
91
91
91
91
54
54
54
54
54
54

Low Clouds (% Sky Obscured)

17
17
17
17
17
17
6
6
6
6
6
6
11
11
11
11
11
11
31
31
31
31
31
31

Medium Clouds (% Sky Obscured)

40
40
40
40
40
40
70
70
70
70
70
70
83
83
83
83
83
83
48
48
48
48
48
48

High Clouds (% Sky Obscured)

93
93
93
93
93
93
0
0
0
0
0
0
69
69
69
69
69
69
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

24
20
9
6
2
8
12
16
17
18
15
6
0
0
7
8
9
9
10
13
18
20
16
12

Precipitation Amount (mm)

0.34
0.16
0.03
0.01
0.01
0.05
0.12
0.16
0.19
0.17
0.09
0.02
0
0
0.02
0.04
0.07
0.13
0.17
0.18
0.18
0.17
0.13
0.09

Wind Speed/Direction (mph)

11
11
10
10
10
10
10
11
11
11
11
11
12
13
14
15
16
16
16
17
18
18
18
18

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
13
13
12
12
13
13
14
15
15
16
17
18
19
19
20
20
19
18

Feels Like (°C)

16
15
14
14
13
13
13
13
12
12
13
13
14
15
16
17
17
18
19
20
20
20
19
18

Dew Point (°C)

15
14
14
13
13
12
13
13
12
12
13
13
14
15
15
16
17
17
17
17
17
17
16
16

Relative Humidity (%)

92
94
95
95
95
97
99
100
100
100
100
100
100
100
100
100
100
97
93
88
85
84
85
85

Pressure (mb)

1002
1002
1003
1004
1004
1004
1004
1004
1004
1004
1005
1006
1005
1005
1006
1006
1007
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

354
353
353
353
353
352
351
350
350
351
352
352
352
351
350
350
350
351
352
352
352
351
349
346

Sunday 8

New Moon 1%

06:14

21:16

19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:44, Set: 20:42, Transit: 13:12. Moon - Rise: 06:14, Set: 21:16. Civil Dark: 21:21 - 05:05. Nautical Dark: 22:12 - 04:15. Astro Dark: 23:16 - 03:12

Total Clouds (% Sky Obscured)

27
27
27
27
27
27
7
7
7
7
7
7
29
29
29
29
29
29
87
87
87
87
87
87

Low Clouds (% Sky Obscured)

16
16
16
16
16
16
0
0
0
0
0
0
3
3
3
3
3
3
83
83
83
83
83
83

Medium Clouds (% Sky Obscured)

20
20
20
20
20
20
6
6
6
6
6
6
1
1
1
1
1
1
43
43
43
43
43
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
27
27
27
27
27
27
9
9
9
9
9
9

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
8
6
6
13
26
32
28
21
15
16
16
15
11
5
4
4
5
5
5
5
5
5
5

Precipitation Amount (mm)

0.08
0.04
0.02
0.02
0.06
0.17
0.25
0.17
0.06
0.02
0.03
0.08
0.11
0.06
0.02
0.01
0.02
0.03
0.05
0.06
0.06
0.06
0.05
0.03

Wind Speed/Direction (mph)

17
15
14
12
12
12
12
12
12
12
11
11
11
12
13
14
15
15
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
14
14
14
14
14
14
14
15
16
17
18
19
20
20
20
20
19
19

Feels Like (°C)

18
17
16
15
14
14
14
14
14
14
14
14
15
16
17
18
18
19
20
21
20
20
19
19

Dew Point (°C)

15
15
14
14
14
14
14
14
14
14
14
14
14
15
16
17
18
18
17
17
17
17
17
16

Relative Humidity (%)

87
89
93
96
98
100
100
100
100
100
100
100
100
100
100
100
98
92
86
83
83
85
86
85

Pressure (mb)

1010
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

344
343
344
343
341
339
336
334
332
331
329
327
326
326
326
326
325
325
324
323
322
321
321
320

Monday 9

Waxing Crescent 5%

07:33

21:38

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:45, Set: 20:40, Transit: 13:12. Moon - Rise: 07:33, Set: 21:38. Civil Dark: 21:19 - 05:07. Nautical Dark: 22:09 - 04:17. Astro Dark: 23:12 - 03:15

Total Clouds (% Sky Obscured)

68
68
68
68
68
68
85
85
85
85
85
85
80
80
80
80
80
80
85
85
85
85
85
85

Low Clouds (% Sky Obscured)

24
24
24
24
24
24
11
11
11
11
11
11
35
35
35
35
35
35
84
84
84
84
84
84

Medium Clouds (% Sky Obscured)

7
7
7
7
7
7
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

61
61
61
61
61
61
83
83
83
83
83
83
70
70
70
70
70
70
3
3
3
3
3
3

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
8
5
8
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
4
3
0
0
0
0
0
4
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.01
0.01
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
12
10
9
8
8
7
8
8
8
8
9
9
10
10
11
11
12
12
13
14
14
14
14

Chance of Frost

Temperature (°C)

18
18
17
16
15
14
14
14
14
15
15
15
15
16
17
18
19
20
21
22
22
22
21
20

Feels Like (°C)

19
18
17
16
15
15
14
14
15
15
15
15
16
17
18
18
19
20
22
22
23
22
21
20

Dew Point (°C)

16
16
15
15
15
14
14
14
14
15
15
15
15
16
17
18
19
19
19
19
18
18
18
17

Relative Humidity (%)

86
89
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
95
87
81
78
78
80
83

Pressure (mb)

1017
1017
1018
1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018

Ozone (du)

320
320
320
319
318
316
314
313
312
311
311
312
312
312
312
312
312
313
313
313
313
313
313
313

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 03/08/21 18:30:06. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00